How to save to firebase in list format?

Do I need to put it on firebase in list format does anyone know how to do this?
appreciate
I need to save in this format
1

the block gives me that

meu bloco

[{“text”:“GG”,“value”:1},{“text”:“G”,“value”:2},{“text”:“M”,“value”:3},{“text”:“P”,“value”:4},{“text”:“PP”,“value”:5}]

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I Don’t Understand what you want to say. can you explain more about your issue ?

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I have a json object, I execute the block chosen in the string format, I want it to write in the jason object list format